@mixin hover {
    &:hover { @content; }
}

@mixin hover-focus {
  &:focus,
  &:hover {
    @content;
  }
}

@mixin plain-hover-focus {
  &,
  &:focus,
  &:hover {
    @content;
  }
}

@mixin hover-focus-active {
  &:focus,
  &:active,
  &:hover {
    @content;
  }
}
